body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
input,
ul {
  margin: 0;
}

html {
  font-family: PingFang SC, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

input,
button,
textarea {
  border: none;
}

textarea {
  outline: none;
  resize: none;
}

button {
  background: none;
}

input:focus {
  outline: none;
}

a {
  text-decoration: none;
}

ul {
  padding: 0;
  list-style: none;
}

img {
  padding: 0;
}